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This resource, created by Javier Ramos Sancha, will help the students to learn about the cells, the organization of the living things and how the different systems of the body work through a project b ...

This is the teacher's guide to the Circulation unit for a middle school Human Biology book.

It is an educational content of CK-12 Foundation (to access some of the CK-12 contents you must be logged in) ...

Learn about anatomy of the respiratory system.

Recognise the relationship between the respiratory system and the circulatory system.

Predict the consequences of bad habits related to the circulato ...